3431398 has 8 divisors (see below), whose sum is σ = 5176080. Its totient is φ = 1706040.

The previous prime is 3431377. The next prime is 3431401. The reversal of 3431398 is 8931343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4378 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (647010).

Almost surely, 2^3431398 is an apocalyptic number.

3431398 is a deficient number, since it is larger than the sum of its proper divisors (1744682).

3431398 is a wasteful number, since it uses less digits than its factorization.

3431398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9662.

The product of its digits is 7776, while the sum is 31.

The square root of 3431398 is about 1852.4033038191. The cubic root of 3431398 is about 150.8309146328.

Subtracting 3431398 from its reverse (8931343), we obtain a palindrome (5499945).

The spelling of 3431398 in words is "three million, four hundred thirty-one thousand, three hundred ninety-eight".